package test4_9.demo05;

public class Homework20_7 {

    public static int fibo(int a){

        if(a == 1 || a==2){
            return 1;
        }
        return fibo(a-1)+fibo(a-2);
    }

    public static void main(String[] args) {
        System.out.println(fibo(6));
    }
}
